Software `/` code `/` prosody-modules

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mod_firewall/mod_firewall.lua @ 2562:78efd064aef3

mod_firewall: Rename variables to avoid shadowing #luacheck

author	Matthew Wild <mwild1@gmail.com>
date	Fri, 24 Feb 2017 09:49:30 +0000
parent	2561:3da0e3c917cc
child	2573:24dbad147aef

rev	line source
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	1
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	2 local resolve_relative_path = require "core.configmanager".resolve_relative_path;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	3 local logger = require "util.logger".init;
971 53e158e44a44 mod_firewall: Add rate limiting capabilities, and keep zones and throttle objects in shared tables Matthew Wild <mwild1@gmail.com> parents: 967 diff changeset	4 local it = require "util.iterators";
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	5
999 197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	6 local definitions = module:shared("definitions");
2374 d630fa0d4dba mod_firewall: Add default zone called '$local' containing all local hosts (dynamically) Matthew Wild <mwild1@gmail.com> parents: 2368 diff changeset	7 local active_definitions = {
d630fa0d4dba mod_firewall: Add default zone called '$local' containing all local hosts (dynamically) Matthew Wild <mwild1@gmail.com> parents: 2368 diff changeset	8 ZONE = {
d630fa0d4dba mod_firewall: Add default zone called '$local' containing all local hosts (dynamically) Matthew Wild <mwild1@gmail.com> parents: 2368 diff changeset	9 -- Default zone that includes all local hosts
d630fa0d4dba mod_firewall: Add default zone called '$local' containing all local hosts (dynamically) Matthew Wild <mwild1@gmail.com> parents: 2368 diff changeset	10 ["$local"] = setmetatable({}, { __index = prosody.hosts });
2527 5ff7eb601d60 mod_firewall: Code formatting Matthew Wild <mwild1@gmail.com> parents: 2526 diff changeset	11 };
2374 d630fa0d4dba mod_firewall: Add default zone called '$local' containing all local hosts (dynamically) Matthew Wild <mwild1@gmail.com> parents: 2368 diff changeset	12 };
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	13
2113 d75145297bf9 mod_firewall: Support for defining extra chains in the config file Matthew Wild <mwild1@gmail.com> parents: 2101 diff changeset	14 local default_chains = {
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	15 preroute = {
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	16 type = "event";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	17 priority = 0.1;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	18 "pre-message/bare", "pre-message/full", "pre-message/host";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	19 "pre-presence/bare", "pre-presence/full", "pre-presence/host";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	20 "pre-iq/bare", "pre-iq/full", "pre-iq/host";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	21 };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	22 deliver = {
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	23 type = "event";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	24 priority = 0.1;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	25 "message/bare", "message/full", "message/host";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	26 "presence/bare", "presence/full", "presence/host";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	27 "iq/bare", "iq/full", "iq/host";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	28 };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	29 deliver_remote = {
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	30 type = "event"; "route/remote";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	31 priority = 0.1;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	32 };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	33 };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	34
2113 d75145297bf9 mod_firewall: Support for defining extra chains in the config file Matthew Wild <mwild1@gmail.com> parents: 2101 diff changeset	35 local extra_chains = module:get_option("firewall_extra_chains", {});
d75145297bf9 mod_firewall: Support for defining extra chains in the config file Matthew Wild <mwild1@gmail.com> parents: 2101 diff changeset	36
d75145297bf9 mod_firewall: Support for defining extra chains in the config file Matthew Wild <mwild1@gmail.com> parents: 2101 diff changeset	37 local chains = {};
d75145297bf9 mod_firewall: Support for defining extra chains in the config file Matthew Wild <mwild1@gmail.com> parents: 2101 diff changeset	38 for k,v in pairs(default_chains) do
d75145297bf9 mod_firewall: Support for defining extra chains in the config file Matthew Wild <mwild1@gmail.com> parents: 2101 diff changeset	39 chains[k] = v;
d75145297bf9 mod_firewall: Support for defining extra chains in the config file Matthew Wild <mwild1@gmail.com> parents: 2101 diff changeset	40 end
d75145297bf9 mod_firewall: Support for defining extra chains in the config file Matthew Wild <mwild1@gmail.com> parents: 2101 diff changeset	41 for k,v in pairs(extra_chains) do
d75145297bf9 mod_firewall: Support for defining extra chains in the config file Matthew Wild <mwild1@gmail.com> parents: 2101 diff changeset	42 chains[k] = v;
d75145297bf9 mod_firewall: Support for defining extra chains in the config file Matthew Wild <mwild1@gmail.com> parents: 2101 diff changeset	43 end
d75145297bf9 mod_firewall: Support for defining extra chains in the config file Matthew Wild <mwild1@gmail.com> parents: 2101 diff changeset	44
2124 89363766202c mod_firewall: Add comment to document idsafe() Matthew Wild <mwild1@gmail.com> parents: 2118 diff changeset	45 -- Returns the input if it is safe to be used as a variable name, otherwise nil
2099 a8c701631d0b mod_firewall: Make idsafe() a global function so libraries can re-use it Matthew Wild <mwild1@gmail.com> parents: 2080 diff changeset	46 function idsafe(name)
2527 5ff7eb601d60 mod_firewall: Code formatting Matthew Wild <mwild1@gmail.com> parents: 2526 diff changeset	47 return name:match("^%a[%w_]*$");
971 53e158e44a44 mod_firewall: Add rate limiting capabilities, and keep zones and throttle objects in shared tables Matthew Wild <mwild1@gmail.com> parents: 967 diff changeset	48 end
53e158e44a44 mod_firewall: Add rate limiting capabilities, and keep zones and throttle objects in shared tables Matthew Wild <mwild1@gmail.com> parents: 967 diff changeset	49
2518 0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	50 local meta_funcs = {
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	51 bare = function (code)
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	52 return "jid_bare("..code..")", {"jid_bare"};
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	53 end;
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	54 node = function (code)
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	55 return "(jid_split("..code.."))", {"jid_split"};
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	56 end;
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	57 host = function (code)
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	58 return "(select(2, jid_split("..code..")))", {"jid_split"};
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	59 end;
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	60 resource = function (code)
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	61 return "(select(3, jid_split("..code..")))", {"jid_split"};
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	62 end;
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	63 };
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	64
2125 edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	65 -- Run quoted (%q) strings through this to allow them to contain code. e.g.: LOG=Received: $(stanza:top_tag())
2518 0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	66 function meta(s, deps, extra)
2385 c0c2f8665c3e mod_firewall: Fix for raw code expressions that contain escape-worthy characters Matthew Wild <mwild1@gmail.com> parents: 2374 diff changeset	67 return (s:gsub("$(%b())", function (expr)
c0c2f8665c3e mod_firewall: Fix for raw code expressions that contain escape-worthy characters Matthew Wild <mwild1@gmail.com> parents: 2374 diff changeset	68 expr = expr:gsub("\\(.)", "%1");
c0c2f8665c3e mod_firewall: Fix for raw code expressions that contain escape-worthy characters Matthew Wild <mwild1@gmail.com> parents: 2374 diff changeset	69 return [["..tostring(]]..expr..[[).."]];
c0c2f8665c3e mod_firewall: Fix for raw code expressions that contain escape-worthy characters Matthew Wild <mwild1@gmail.com> parents: 2374 diff changeset	70 end)
2125 edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	71 :gsub("$(%b<>)", function (expr)
edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	72 expr = expr:sub(2,-2);
2538 a1b6a6b0aabb mod_firewall: Reinstate the ability to set a default for stanza expressions Matthew Wild <mwild1@gmail.com> parents: 2533 diff changeset	73 local default = "<undefined>";
2561 3da0e3c917cc mod_firewall: Accept backslash escapes in definitions Matthew Wild <mwild1@gmail.com> parents: 2558 diff changeset	74 expr = expr:gsub("\|\|(%b\"\")$", function (default_string)
3da0e3c917cc mod_firewall: Accept backslash escapes in definitions Matthew Wild <mwild1@gmail.com> parents: 2558 diff changeset	75 default = stripslashes(default_string:sub(2,-2));
2538 a1b6a6b0aabb mod_firewall: Reinstate the ability to set a default for stanza expressions Matthew Wild <mwild1@gmail.com> parents: 2533 diff changeset	76 return "";
a1b6a6b0aabb mod_firewall: Reinstate the ability to set a default for stanza expressions Matthew Wild <mwild1@gmail.com> parents: 2533 diff changeset	77 end);
2518 0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	78 local func_chain = expr:match("\|[%w\|]+$");
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	79 if func_chain then
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	80 expr = expr:sub(1, -1-#func_chain);
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	81 end
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	82 local code;
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	83 if expr:match("^@") then
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	84 -- Skip stanza:find() for simple attribute lookup
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	85 local attr_name = expr:sub(2);
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	86 if deps and (attr_name == "to" or attr_name == "from" or attr_name == "type") then
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	87 -- These attributes may be cached in locals
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	88 code = attr_name;
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	89 table.insert(deps, attr_name);
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	90 else
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	91 code = "stanza.attr["..("%q"):format(attr_name).."]";
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	92 end
2524 0404476ecfe3 mod_firewall: More meta() enhancements Matthew Wild <mwild1@gmail.com> parents: 2520 diff changeset	93 elseif expr:match("^%w+#$") then
0404476ecfe3 mod_firewall: More meta() enhancements Matthew Wild <mwild1@gmail.com> parents: 2520 diff changeset	94 code = ("stanza:get_child_text(%q)"):format(expr:sub(1, -2));
2368 7e1d8c46d788 mod_firewall: Support for default values in stanza paths Matthew Wild <mwild1@gmail.com> parents: 2367 diff changeset	95 else
2524 0404476ecfe3 mod_firewall: More meta() enhancements Matthew Wild <mwild1@gmail.com> parents: 2520 diff changeset	96 code = ("stanza:find(%q)"):format(expr);
2368 7e1d8c46d788 mod_firewall: Support for default values in stanza paths Matthew Wild <mwild1@gmail.com> parents: 2367 diff changeset	97 end
2518 0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	98 if func_chain then
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	99 for func_name in func_chain:gmatch("\|(%w+)") do
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	100 if code == "to" or code == "from" then
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	101 if func_name == "bare" then
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	102 code = "bare_"..code;
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	103 table.insert(deps, code);
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	104 elseif func_name == "node" or func_name == "host" or func_name == "resource" then
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	105 table.insert(deps, "split_"..code);
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	106 code = code.."_"..func_name;
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	107 end
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	108 else
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	109 assert(meta_funcs[func_name], "unknown function: "..func_name);
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	110 local new_code, new_deps = meta_funcs[func_name](code);
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	111 code = new_code;
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	112 if new_deps and #new_deps > 0 then
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	113 assert(deps, "function not supported here: "..func_name);
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	114 for _, dep in ipairs(new_deps) do
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	115 table.insert(deps, dep);
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	116 end
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	117 end
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	118 end
0e1054c19f9d mod_firewall: More meta! Allow simple functions to be applied to $<> expressions Matthew Wild <mwild1@gmail.com> parents: 2517 diff changeset	119 end
2125 edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	120 end
2538 a1b6a6b0aabb mod_firewall: Reinstate the ability to set a default for stanza expressions Matthew Wild <mwild1@gmail.com> parents: 2533 diff changeset	121 return "\"..tostring("..code.." or "..("%q"):format(default)..")..\"";
2125 edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	122 end)
edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	123 :gsub("$$(%a+)", extra or {})
edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	124 :gsub([[^""%.%.]], "")
edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	125 :gsub([[%.%.""$]], ""));
edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	126 end
edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	127
2547 eb4f45bd7fef mod_firewall: Add metaq(), like meta() but takes an unquoted string Matthew Wild <mwild1@gmail.com> parents: 2546 diff changeset	128 function metaq(s, ...)
eb4f45bd7fef mod_firewall: Add metaq(), like meta() but takes an unquoted string Matthew Wild <mwild1@gmail.com> parents: 2546 diff changeset	129 return meta(("%q"):format(s), ...);
eb4f45bd7fef mod_firewall: Add metaq(), like meta() but takes an unquoted string Matthew Wild <mwild1@gmail.com> parents: 2546 diff changeset	130 end
eb4f45bd7fef mod_firewall: Add metaq(), like meta() but takes an unquoted string Matthew Wild <mwild1@gmail.com> parents: 2546 diff changeset	131
2546 6e4494772328 mod_firewall: Add stripslashes() function Matthew Wild <mwild1@gmail.com> parents: 2544 diff changeset	132 local escape_chars = {
6e4494772328 mod_firewall: Add stripslashes() function Matthew Wild <mwild1@gmail.com> parents: 2544 diff changeset	133 a = "\a", b = "\b", f = "\f", n = "\n", r = "\r", t = "\t",
6e4494772328 mod_firewall: Add stripslashes() function Matthew Wild <mwild1@gmail.com> parents: 2544 diff changeset	134 v = "\v", ["\\"] = "\\", ["\""] = "\"", ["\'"] = "\'"
6e4494772328 mod_firewall: Add stripslashes() function Matthew Wild <mwild1@gmail.com> parents: 2544 diff changeset	135 };
6e4494772328 mod_firewall: Add stripslashes() function Matthew Wild <mwild1@gmail.com> parents: 2544 diff changeset	136 function stripslashes(s)
6e4494772328 mod_firewall: Add stripslashes() function Matthew Wild <mwild1@gmail.com> parents: 2544 diff changeset	137 return (s:gsub("\\(.)", escape_chars));
6e4494772328 mod_firewall: Add stripslashes() function Matthew Wild <mwild1@gmail.com> parents: 2544 diff changeset	138 end
6e4494772328 mod_firewall: Add stripslashes() function Matthew Wild <mwild1@gmail.com> parents: 2544 diff changeset	139
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	140 -- Dependency locations:
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	141 -- <type lib>
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	142 -- <type global>
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	143 -- function handler()
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	144 -- <local deps>
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	145 -- if <conditions> then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	146 -- <actions>
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	147 -- end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	148 -- end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	149
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	150 local available_deps = {
1303 8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	151 st = { global_code = [[local st = require "util.stanza";]]};
2544 223eea31588d mod_firewall: Add it(erators) and it_count dependencies Matthew Wild <mwild1@gmail.com> parents: 2543 diff changeset	152 it = { global_code = [[local it = require "util.iterators";]]};
223eea31588d mod_firewall: Add it(erators) and it_count dependencies Matthew Wild <mwild1@gmail.com> parents: 2543 diff changeset	153 it_count = { global_code = [[local it_count = it.count;]], depends = { "it" } };
2548 ce08a57e516b mod_firewall: Add 'current_host' variable/dependency Matthew Wild <mwild1@gmail.com> parents: 2547 diff changeset	154 current_host = { global_code = [[local current_host = module.host;]] };
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	155 jid_split = {
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	156 global_code = [[local jid_split = require "util.jid".split;]];
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	157 };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	158 jid_bare = {
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	159 global_code = [[local jid_bare = require "util.jid".bare;]];
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	160 };
2412 9159f9166893 mod_firewall: Use the sender bare JID instead of 'to' for stanzas to self Kim Alvefur <zash@zash.se> parents: 2404 diff changeset	161 to = { local_code = [[local to = stanza.attr.to or jid_bare(session.full_jid);]]; depends = { "jid_bare" } };
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	162 from = { local_code = [[local from = stanza.attr.from;]] };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	163 type = { local_code = [[local type = stanza.attr.type;]] };
2415 07d7036040ee mod_firewall: Insert semicolons after some statements to prevent ambiguous syntax in output (fixes #797) Kim Alvefur <zash@zash.se> parents: 2412 diff changeset	164 name = { local_code = [[local name = stanza.name;]] };
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	165 split_to = { -- The stanza's split to address
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	166 depends = { "jid_split", "to" };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	167 local_code = [[local to_node, to_host, to_resource = jid_split(to);]];
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	168 };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	169 split_from = { -- The stanza's split from address
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	170 depends = { "jid_split", "from" };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	171 local_code = [[local from_node, from_host, from_resource = jid_split(from);]];
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	172 };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	173 bare_to = { depends = { "jid_bare", "to" }, local_code = "local bare_to = jid_bare(to)"};
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	174 bare_from = { depends = { "jid_bare", "from" }, local_code = "local bare_from = jid_bare(from)"};
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	175 group_contains = {
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	176 global_code = [[local group_contains = module:depends("groups").group_contains]];
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	177 };
2418 ef95853cf900 mod_firewall: More semicolons Kim Alvefur <zash@zash.se> parents: 2416 diff changeset	178 is_admin = { global_code = [[local is_admin = require "core.usermanager".is_admin;]]};
ef95853cf900 mod_firewall: More semicolons Kim Alvefur <zash@zash.se> parents: 2416 diff changeset	179 core_post_stanza = { global_code = [[local core_post_stanza = prosody.core_post_stanza;]] };
965 d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone). Matthew Wild <mwild1@gmail.com> parents: 960 diff changeset	180 zone = { global_code = function (zone)
971 53e158e44a44 mod_firewall: Add rate limiting capabilities, and keep zones and throttle objects in shared tables Matthew Wild <mwild1@gmail.com> parents: 967 diff changeset	181 assert(idsafe(zone), "Invalid zone name: "..zone);
965 d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone). Matthew Wild <mwild1@gmail.com> parents: 960 diff changeset	182 return ("local zone_%s = zones[%q] or {};"):format(zone, zone);
d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone). Matthew Wild <mwild1@gmail.com> parents: 960 diff changeset	183 end };
966 a65df6e97d94 mod_firewall: Add time and date deps Matthew Wild <mwild1@gmail.com> parents: 965 diff changeset	184 date_time = { global_code = [[local os_date = os.date]]; local_code = [[local current_date_time = os_date("*t");]] };
a65df6e97d94 mod_firewall: Add time and date deps Matthew Wild <mwild1@gmail.com> parents: 965 diff changeset	185 time = { local_code = function (what)
a65df6e97d94 mod_firewall: Add time and date deps Matthew Wild <mwild1@gmail.com> parents: 965 diff changeset	186 local defs = {};
a65df6e97d94 mod_firewall: Add time and date deps Matthew Wild <mwild1@gmail.com> parents: 965 diff changeset	187 for field in what:gmatch("%a+") do
a65df6e97d94 mod_firewall: Add time and date deps Matthew Wild <mwild1@gmail.com> parents: 965 diff changeset	188 table.insert(defs, ("local current_%s = current_date_time.%s;"):format(field, field));
a65df6e97d94 mod_firewall: Add time and date deps Matthew Wild <mwild1@gmail.com> parents: 965 diff changeset	189 end
a65df6e97d94 mod_firewall: Add time and date deps Matthew Wild <mwild1@gmail.com> parents: 965 diff changeset	190 return table.concat(defs, " ");
a65df6e97d94 mod_firewall: Add time and date deps Matthew Wild <mwild1@gmail.com> parents: 965 diff changeset	191 end, depends = { "date_time" }; };
2418 ef95853cf900 mod_firewall: More semicolons Kim Alvefur <zash@zash.se> parents: 2416 diff changeset	192 timestamp = { global_code = [[local get_time = require "socket".gettime;]]; local_code = [[local current_timestamp = get_time();]]; };
2128 21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental) Matthew Wild <mwild1@gmail.com> parents: 2126 diff changeset	193 globalthrottle = {
971 53e158e44a44 mod_firewall: Add rate limiting capabilities, and keep zones and throttle objects in shared tables Matthew Wild <mwild1@gmail.com> parents: 967 diff changeset	194 global_code = function (throttle)
53e158e44a44 mod_firewall: Add rate limiting capabilities, and keep zones and throttle objects in shared tables Matthew Wild <mwild1@gmail.com> parents: 967 diff changeset	195 assert(idsafe(throttle), "Invalid rate limit name: "..throttle);
999 197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	196 assert(active_definitions.RATE[throttle], "Unknown rate limit: "..throttle);
2128 21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental) Matthew Wild <mwild1@gmail.com> parents: 2126 diff changeset	197 return ("local global_throttle_%s = rates.%s:single();"):format(throttle, throttle);
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental) Matthew Wild <mwild1@gmail.com> parents: 2126 diff changeset	198 end;
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental) Matthew Wild <mwild1@gmail.com> parents: 2126 diff changeset	199 };
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental) Matthew Wild <mwild1@gmail.com> parents: 2126 diff changeset	200 multithrottle = {
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental) Matthew Wild <mwild1@gmail.com> parents: 2126 diff changeset	201 global_code = function (throttle)
2130 9239893a2400 mod_firewall: Don't use util.cache unless it's needed, and add explanatory error if it is not available Matthew Wild <mwild1@gmail.com> parents: 2128 diff changeset	202 assert(pcall(require, "util.cache"), "Using LIMIT with 'on' requires Prosody 0.10 or higher");
2128 21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental) Matthew Wild <mwild1@gmail.com> parents: 2126 diff changeset	203 assert(idsafe(throttle), "Invalid rate limit name: "..throttle);
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental) Matthew Wild <mwild1@gmail.com> parents: 2126 diff changeset	204 assert(active_definitions.RATE[throttle], "Unknown rate limit: "..throttle);
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental) Matthew Wild <mwild1@gmail.com> parents: 2126 diff changeset	205 return ("local multi_throttle_%s = rates.%s:multi();"):format(throttle, throttle);
971 53e158e44a44 mod_firewall: Add rate limiting capabilities, and keep zones and throttle objects in shared tables Matthew Wild <mwild1@gmail.com> parents: 967 diff changeset	206 end;
53e158e44a44 mod_firewall: Add rate limiting capabilities, and keep zones and throttle objects in shared tables Matthew Wild <mwild1@gmail.com> parents: 967 diff changeset	207 };
2402 2040330586e4 mod_firewall: Split import of rostermanager into its own dependency Kim Alvefur <zash@zash.se> parents: 2385 diff changeset	208 rostermanager = {
2040330586e4 mod_firewall: Split import of rostermanager into its own dependency Kim Alvefur <zash@zash.se> parents: 2385 diff changeset	209 global_code = [[local rostermanager = require "core.rostermanager";]];
2040330586e4 mod_firewall: Split import of rostermanager into its own dependency Kim Alvefur <zash@zash.se> parents: 2385 diff changeset	210 };
2342 6848297cf40a mod_firewall: Add conditions for testing whether a sender of a stanza is in the recipient's roster (or in a certain roster group) Matthew Wild <mwild1@gmail.com> parents: 2130 diff changeset	211 roster_entry = {
2416 ade918cd9ca7 mod_firewall: Only call rostermanager if username is available (fixes #796) Kim Alvefur <zash@zash.se> parents: 2415 diff changeset	212 local_code = [[local roster_entry = (to_node and rostermanager.load_roster(to_node, to_host) or {})[bare_from];]];
2402 2040330586e4 mod_firewall: Split import of rostermanager into its own dependency Kim Alvefur <zash@zash.se> parents: 2385 diff changeset	213 depends = { "rostermanager", "split_to", "bare_from" };
2040330586e4 mod_firewall: Split import of rostermanager into its own dependency Kim Alvefur <zash@zash.se> parents: 2385 diff changeset	214 };
2520 c6fd8975704b mod_firewall: Initial support for lists, in-memory and HTTP Matthew Wild <mwild1@gmail.com> parents: 2518 diff changeset	215 list = { global_code = function (list)
c6fd8975704b mod_firewall: Initial support for lists, in-memory and HTTP Matthew Wild <mwild1@gmail.com> parents: 2518 diff changeset	216 assert(idsafe(list), "Invalid list name: "..list);
c6fd8975704b mod_firewall: Initial support for lists, in-memory and HTTP Matthew Wild <mwild1@gmail.com> parents: 2518 diff changeset	217 assert(active_definitions.LIST[list], "Unknown list: "..list);
c6fd8975704b mod_firewall: Initial support for lists, in-memory and HTTP Matthew Wild <mwild1@gmail.com> parents: 2518 diff changeset	218 return ("local list_%s = lists[%q];"):format(list, list);
c6fd8975704b mod_firewall: Initial support for lists, in-memory and HTTP Matthew Wild <mwild1@gmail.com> parents: 2518 diff changeset	219 end
c6fd8975704b mod_firewall: Initial support for lists, in-memory and HTTP Matthew Wild <mwild1@gmail.com> parents: 2518 diff changeset	220 };
2528 44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list Matthew Wild <mwild1@gmail.com> parents: 2527 diff changeset	221 search = {
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list Matthew Wild <mwild1@gmail.com> parents: 2527 diff changeset	222 local_code = function (search_name)
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list Matthew Wild <mwild1@gmail.com> parents: 2527 diff changeset	223 local search_path = assert(active_definitions.SEARCH[search_name], "Undefined search path: "..search_name);
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list Matthew Wild <mwild1@gmail.com> parents: 2527 diff changeset	224 return ("local search_%s = tostring(stanza:find(%q) or \"\")"):format(search_name, search_path);
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list Matthew Wild <mwild1@gmail.com> parents: 2527 diff changeset	225 end;
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list Matthew Wild <mwild1@gmail.com> parents: 2527 diff changeset	226 };
2543 3c16f0a8d66c mod_firewall: Do patterns properly, instead of cheating Matthew Wild <mwild1@gmail.com> parents: 2539 diff changeset	227 pattern = {
3c16f0a8d66c mod_firewall: Do patterns properly, instead of cheating Matthew Wild <mwild1@gmail.com> parents: 2539 diff changeset	228 local_code = function (pattern_name)
3c16f0a8d66c mod_firewall: Do patterns properly, instead of cheating Matthew Wild <mwild1@gmail.com> parents: 2539 diff changeset	229 local pattern = assert(active_definitions.PATTERN[pattern_name], "Undefined pattern: "..pattern_name);
3c16f0a8d66c mod_firewall: Do patterns properly, instead of cheating Matthew Wild <mwild1@gmail.com> parents: 2539 diff changeset	230 return ("local pattern_%s = %q"):format(pattern_name, pattern);
3c16f0a8d66c mod_firewall: Do patterns properly, instead of cheating Matthew Wild <mwild1@gmail.com> parents: 2539 diff changeset	231 end;
3c16f0a8d66c mod_firewall: Do patterns properly, instead of cheating Matthew Wild <mwild1@gmail.com> parents: 2539 diff changeset	232 };
2528 44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list Matthew Wild <mwild1@gmail.com> parents: 2527 diff changeset	233 tokens = {
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list Matthew Wild <mwild1@gmail.com> parents: 2527 diff changeset	234 local_code = function (search_and_pattern)
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list Matthew Wild <mwild1@gmail.com> parents: 2527 diff changeset	235 local search_name, pattern_name = search_and_pattern:match("^([^%-]+)_(.+)$");
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list Matthew Wild <mwild1@gmail.com> parents: 2527 diff changeset	236 local code = ([[local tokens_%s_%s = {};
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list Matthew Wild <mwild1@gmail.com> parents: 2527 diff changeset	237 if search_%s then
2543 3c16f0a8d66c mod_firewall: Do patterns properly, instead of cheating Matthew Wild <mwild1@gmail.com> parents: 2539 diff changeset	238 for s in search_%s:gmatch(pattern_%s) do
2528 44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list Matthew Wild <mwild1@gmail.com> parents: 2527 diff changeset	239 tokens_%s_%s[s] = true;
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list Matthew Wild <mwild1@gmail.com> parents: 2527 diff changeset	240 end
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list Matthew Wild <mwild1@gmail.com> parents: 2527 diff changeset	241 end
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list Matthew Wild <mwild1@gmail.com> parents: 2527 diff changeset	242 ]]):format(search_name, pattern_name, search_name, search_name, pattern_name, search_name, pattern_name);
2543 3c16f0a8d66c mod_firewall: Do patterns properly, instead of cheating Matthew Wild <mwild1@gmail.com> parents: 2539 diff changeset	243 return code, { "search:"..search_name, "pattern:"..pattern_name };
2528 44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list Matthew Wild <mwild1@gmail.com> parents: 2527 diff changeset	244 end;
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list Matthew Wild <mwild1@gmail.com> parents: 2527 diff changeset	245 };
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list Matthew Wild <mwild1@gmail.com> parents: 2527 diff changeset	246 scan_list = {
2533 9aed7f4e9f07 mod_firewall: Fix scan_list() syntax error in generated code Matthew Wild <mwild1@gmail.com> parents: 2528 diff changeset	247 global_code = [[local function scan_list(list, items) for item in pairs(items) do if list:contains(item) then return true; end end end]];
2528 44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list Matthew Wild <mwild1@gmail.com> parents: 2527 diff changeset	248 }
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	249 };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	250
2077 368b091e723b mod_firewall: Rename argument to avoid name clash [luacheck] Kim Alvefur <zash@zash.se> parents: 2076 diff changeset	251 local function include_dep(dependency, code)
368b091e723b mod_firewall: Rename argument to avoid name clash [luacheck] Kim Alvefur <zash@zash.se> parents: 2076 diff changeset	252 local dep, dep_param = dependency:match("^([^:]+):?(.*)$");
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	253 local dep_info = available_deps[dep];
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	254 if not dep_info then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	255 module:log("error", "Dependency not found: %s", dep);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	256 return;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	257 end
2517 3990b1bca308 mod_firewall: Fix circular dependency check Matthew Wild <mwild1@gmail.com> parents: 2464 diff changeset	258 if code.included_deps[dep] ~= nil then
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	259 if code.included_deps[dep] ~= true then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	260 module:log("error", "Circular dependency on %s", dep);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	261 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	262 return;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	263 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	264 code.included_deps[dep] = false; -- Pending flag (used to detect circular references)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	265 for _, dep_dep in ipairs(dep_info.depends or {}) do
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	266 include_dep(dep_dep, code);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	267 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	268 if dep_info.global_code then
965 d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone). Matthew Wild <mwild1@gmail.com> parents: 960 diff changeset	269 if dep_param ~= "" then
2525 a35d85cfda92 mod_firewall: Fix for deps dynamically including deps Matthew Wild <mwild1@gmail.com> parents: 2524 diff changeset	270 local global_code, deps = dep_info.global_code(dep_param);
a35d85cfda92 mod_firewall: Fix for deps dynamically including deps Matthew Wild <mwild1@gmail.com> parents: 2524 diff changeset	271 if deps then
2562 78efd064aef3 mod_firewall: Rename variables to avoid shadowing #luacheck Matthew Wild <mwild1@gmail.com> parents: 2561 diff changeset	272 for _, dep_dep in ipairs(deps) do
78efd064aef3 mod_firewall: Rename variables to avoid shadowing #luacheck Matthew Wild <mwild1@gmail.com> parents: 2561 diff changeset	273 include_dep(dep_dep, code);
2525 a35d85cfda92 mod_firewall: Fix for deps dynamically including deps Matthew Wild <mwild1@gmail.com> parents: 2524 diff changeset	274 end
a35d85cfda92 mod_firewall: Fix for deps dynamically including deps Matthew Wild <mwild1@gmail.com> parents: 2524 diff changeset	275 end
a35d85cfda92 mod_firewall: Fix for deps dynamically including deps Matthew Wild <mwild1@gmail.com> parents: 2524 diff changeset	276 table.insert(code.global_header, global_code);
965 d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone). Matthew Wild <mwild1@gmail.com> parents: 960 diff changeset	277 else
d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone). Matthew Wild <mwild1@gmail.com> parents: 960 diff changeset	278 table.insert(code.global_header, dep_info.global_code);
d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone). Matthew Wild <mwild1@gmail.com> parents: 960 diff changeset	279 end
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	280 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	281 if dep_info.local_code then
965 d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone). Matthew Wild <mwild1@gmail.com> parents: 960 diff changeset	282 if dep_param ~= "" then
2525 a35d85cfda92 mod_firewall: Fix for deps dynamically including deps Matthew Wild <mwild1@gmail.com> parents: 2524 diff changeset	283 local local_code, deps = dep_info.local_code(dep_param);
a35d85cfda92 mod_firewall: Fix for deps dynamically including deps Matthew Wild <mwild1@gmail.com> parents: 2524 diff changeset	284 if deps then
2562 78efd064aef3 mod_firewall: Rename variables to avoid shadowing #luacheck Matthew Wild <mwild1@gmail.com> parents: 2561 diff changeset	285 for _, dep_dep in ipairs(deps) do
78efd064aef3 mod_firewall: Rename variables to avoid shadowing #luacheck Matthew Wild <mwild1@gmail.com> parents: 2561 diff changeset	286 include_dep(dep_dep, code);
2525 a35d85cfda92 mod_firewall: Fix for deps dynamically including deps Matthew Wild <mwild1@gmail.com> parents: 2524 diff changeset	287 end
a35d85cfda92 mod_firewall: Fix for deps dynamically including deps Matthew Wild <mwild1@gmail.com> parents: 2524 diff changeset	288 end
a35d85cfda92 mod_firewall: Fix for deps dynamically including deps Matthew Wild <mwild1@gmail.com> parents: 2524 diff changeset	289 table.insert(code, "\n\t\t-- "..dep.."\n\t\t"..local_code.."\n");
965 d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone). Matthew Wild <mwild1@gmail.com> parents: 960 diff changeset	290 else
1303 8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	291 table.insert(code, "\n\t\t-- "..dep.."\n\t\t"..dep_info.local_code.."\n");
965 d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone). Matthew Wild <mwild1@gmail.com> parents: 960 diff changeset	292 end
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	293 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	294 code.included_deps[dep] = true;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	295 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	296
999 197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	297 local definition_handlers = module:require("definitions");
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	298 local condition_handlers = module:require("conditions");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	299 local action_handlers = module:require("actions");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	300
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	301 local function new_rule(ruleset, chain)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	302 assert(chain, "no chain specified");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	303 local rule = { conditions = {}, actions = {}, deps = {} };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	304 table.insert(ruleset[chain], rule);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	305 return rule;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	306 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	307
2078 11539785cb92 mod_firewall: Split compile function into two parts in order to separate their scopes Kim Alvefur <zash@zash.se> parents: 2077 diff changeset	308 local function parse_firewall_rules(filename)
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	309 local line_no = 0;
1343 7dbde05b48a9 all the things: Remove trailing whitespace Florian Zeitz <florob@babelmonkeys.de> parents: 1325 diff changeset	310
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	311 local function errmsg(err)
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	312 return "Error compiling "..filename.." on line "..line_no..": "..err;
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	313 end
1343 7dbde05b48a9 all the things: Remove trailing whitespace Florian Zeitz <florob@babelmonkeys.de> parents: 1325 diff changeset	314
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	315 local ruleset = {
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	316 deliver = {};
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	317 };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	318
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	319 local chain = "deliver"; -- Default chain
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	320 local rule;
1343 7dbde05b48a9 all the things: Remove trailing whitespace Florian Zeitz <florob@babelmonkeys.de> parents: 1325 diff changeset	321
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	322 local file, err = io.open(filename);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	323 if not file then return nil, err; end
1343 7dbde05b48a9 all the things: Remove trailing whitespace Florian Zeitz <florob@babelmonkeys.de> parents: 1325 diff changeset	324
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	325 local state; -- nil -> "rules" -> "actions" -> nil -> ...
1343 7dbde05b48a9 all the things: Remove trailing whitespace Florian Zeitz <florob@babelmonkeys.de> parents: 1325 diff changeset	326
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	327 local line_hold;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	328 for line in file:lines() do
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	329 line = line:match("^%s(.-)%s$");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	330 if line_hold and line:sub(-1,-1) ~= "\\" then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	331 line = line_hold..line;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	332 line_hold = nil;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	333 elseif line:sub(-1,-1) == "\\" then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	334 line_hold = (line_hold or "")..line:sub(1,-2);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	335 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	336 line_no = line_no + 1;
1343 7dbde05b48a9 all the things: Remove trailing whitespace Florian Zeitz <florob@babelmonkeys.de> parents: 1325 diff changeset	337
2080 a435db77a5e5 mod_firewall: Silence warning about empty if branch [luacheck] Kim Alvefur <zash@zash.se> parents: 2078 diff changeset	338 if line_hold or line:find("^[#;]") then -- luacheck: ignore 542
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	339 -- No action; comment or partial line
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	340 elseif line == "" then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	341 if state == "rules" then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	342 return nil, ("Expected an action on line %d for preceding criteria")
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	343 :format(line_no);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	344 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	345 state = nil;
2070 2356114ff505 mod_firewall: Optimize string match operations, string.find is faster than .match since no string is returned Kim Alvefur <zash@zash.se> parents: 1343 diff changeset	346 elseif not(state) and line:sub(1, 2) == "::" then
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	347 chain = line:gsub("^::%s*", "");
980 aeb11522a44f mod_firewall: Fix variable name Kim Alvefur <zash@zash.se> parents: 971 diff changeset	348 local chain_info = chains[chain];
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	349 if not chain_info then
2364 17d236129118 mod_firewall: Allow implicit defitions of chains in scripts if they begin with 'user/' Matthew Wild <mwild1@gmail.com> parents: 2342 diff changeset	350 if chain:match("^user/") then
2558 2b533a7b5236 mod_firewall: Make PASS bubble up through all chains, and add DEFAULT and RETURN Matthew Wild <mwild1@gmail.com> parents: 2550 diff changeset	351 chains[chain] = { type = "event", priority = 1, pass_return = false };
2364 17d236129118 mod_firewall: Allow implicit defitions of chains in scripts if they begin with 'user/' Matthew Wild <mwild1@gmail.com> parents: 2342 diff changeset	352 else
17d236129118 mod_firewall: Allow implicit defitions of chains in scripts if they begin with 'user/' Matthew Wild <mwild1@gmail.com> parents: 2342 diff changeset	353 return nil, errmsg("Unknown chain: "..chain);
17d236129118 mod_firewall: Allow implicit defitions of chains in scripts if they begin with 'user/' Matthew Wild <mwild1@gmail.com> parents: 2342 diff changeset	354 end
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	355 elseif chain_info.type ~= "event" then
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	356 return nil, errmsg("Only event chains supported at the moment");
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	357 end
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	358 ruleset[chain] = ruleset[chain] or {};
2070 2356114ff505 mod_firewall: Optimize string match operations, string.find is faster than .match since no string is returned Kim Alvefur <zash@zash.se> parents: 1343 diff changeset	359 elseif not(state) and line:sub(1,1) == "%" then -- Definition (zone, limit, etc.)
999 197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	360 local what, name = line:match("^%%%s*(%w+) +([^ :]+)");
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	361 if not definition_handlers[what] then
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	362 return nil, errmsg("Definition of unknown object: "..what);
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	363 elseif not name or not idsafe(name) then
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	364 return nil, errmsg("Invalid "..what.." name");
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	365 end
999 197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	366
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	367 local val = line:match(": ?(.*)$");
2070 2356114ff505 mod_firewall: Optimize string match operations, string.find is faster than .match since no string is returned Kim Alvefur <zash@zash.se> parents: 1343 diff changeset	368 if not val and line:find(":<") then -- Read from file
999 197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	369 local fn = line:match(":< ?(.-)%s*$");
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	370 if not fn then
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	371 return nil, errmsg("Unable to parse filename");
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	372 end
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	373 local f, err = io.open(fn);
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	374 if not f then return nil, errmsg(err); end
2526 b2fc41001c8e mod_firewall: Fix pattern Matthew Wild <mwild1@gmail.com> parents: 2525 diff changeset	375 val = f:read("*a"):gsub("\r?\n", " "):gsub("%s+$", "");
999 197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	376 end
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	377 if not val then
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	378 return nil, errmsg("No value given for definition");
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	379 end
2550 19a182651a9b mod_firewall: Allow backslash escapes in definitions Matthew Wild <mwild1@gmail.com> parents: 2549 diff changeset	380 val = stripslashes(val);
999 197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	381 local ok, ret = pcall(definition_handlers[what], name, val);
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	382 if not ok then
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	383 return nil, errmsg(ret);
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	384 end
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	385
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	386 if not active_definitions[what] then
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	387 active_definitions[what] = {};
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	388 end
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	389 active_definitions[what][name] = ret;
2539 1510b66a43fc mod_firewall: Allow using spaces instead of underscores in actions, as well as conditions Matthew Wild <mwild1@gmail.com> parents: 2538 diff changeset	390 elseif line:find("^[%w_ ]+[%.=]") then
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	391 -- Action
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	392 if state == nil then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	393 -- This is a standalone action with no conditions
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	394 rule = new_rule(ruleset, chain);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	395 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	396 state = "actions";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	397 -- Action handlers?
2539 1510b66a43fc mod_firewall: Allow using spaces instead of underscores in actions, as well as conditions Matthew Wild <mwild1@gmail.com> parents: 2538 diff changeset	398 local action = line:match("^[%w_ ]+"):upper():gsub(" ", "_");
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	399 if not action_handlers[action] then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	400 return nil, ("Unknown action on line %d: %s"):format(line_no, action or "<unknown>");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	401 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	402 table.insert(rule.actions, "-- "..line)
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	403 local ok, action_string, action_deps = pcall(action_handlers[action], line:match("=(.+)$"));
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	404 if not ok then
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	405 return nil, errmsg(action_string);
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	406 end
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	407 table.insert(rule.actions, action_string);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	408 for _, dep in ipairs(action_deps or {}) do
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	409 table.insert(rule.deps, dep);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	410 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	411 elseif state == "actions" then -- state is actions but action pattern did not match
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	412 state = nil; -- Awaiting next rule, etc.
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	413 table.insert(ruleset[chain], rule);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	414 rule = nil;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	415 else
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	416 if not state then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	417 state = "rules";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	418 rule = new_rule(ruleset, chain);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	419 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	420 -- Check standard modifiers for the condition (e.g. NOT)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	421 local negated;
2404 9af2d36567a8 mod_firewall: Allow conditions to end with a question mark Kim Alvefur <zash@zash.se> parents: 2402 diff changeset	422 local condition = line:match("^[^:=%.?]*");
2070 2356114ff505 mod_firewall: Optimize string match operations, string.find is faster than .match since no string is returned Kim Alvefur <zash@zash.se> parents: 1343 diff changeset	423 if condition:find("%f[%w]NOT%f[^%w]") then
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	424 local s, e = condition:match("%f[%w]()NOT()%f[^%w]");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	425 condition = (condition:sub(1,s-1)..condition:sub(e+1, -1)):match("^%s(.-)%s$");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	426 negated = true;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	427 end
998 6fdcebbd2284 mod_firewall: Fix conditions with spaces Matthew Wild <mwild1@gmail.com> parents: 996 diff changeset	428 condition = condition:gsub(" ", "_");
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	429 if not condition_handlers[condition] then
998 6fdcebbd2284 mod_firewall: Fix conditions with spaces Matthew Wild <mwild1@gmail.com> parents: 996 diff changeset	430 return nil, ("Unknown condition on line %d: %s"):format(line_no, (condition:gsub("_", " ")));
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	431 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	432 -- Get the code for this condition
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	433 local ok, condition_code, condition_deps = pcall(condition_handlers[condition], line:match(":%s?(.+)$"));
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	434 if not ok then
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	435 return nil, errmsg(condition_code);
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	436 end
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	437 if negated then condition_code = "not("..condition_code..")"; end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	438 table.insert(rule.conditions, condition_code);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	439 for _, dep in ipairs(condition_deps or {}) do
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	440 table.insert(rule.deps, dep);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	441 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	442 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	443 end
2078 11539785cb92 mod_firewall: Split compile function into two parts in order to separate their scopes Kim Alvefur <zash@zash.se> parents: 2077 diff changeset	444 return ruleset;
11539785cb92 mod_firewall: Split compile function into two parts in order to separate their scopes Kim Alvefur <zash@zash.se> parents: 2077 diff changeset	445 end
1343 7dbde05b48a9 all the things: Remove trailing whitespace Florian Zeitz <florob@babelmonkeys.de> parents: 1325 diff changeset	446
2078 11539785cb92 mod_firewall: Split compile function into two parts in order to separate their scopes Kim Alvefur <zash@zash.se> parents: 2077 diff changeset	447 local function process_firewall_rules(ruleset)
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	448 -- Compile ruleset and return complete code
1343 7dbde05b48a9 all the things: Remove trailing whitespace Florian Zeitz <florob@babelmonkeys.de> parents: 1325 diff changeset	449
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	450 local chain_handlers = {};
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	451
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	452 -- Loop through the chains in the parsed ruleset (e.g. incoming, outgoing)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	453 for chain_name, rules in pairs(ruleset) do
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	454 local code = { included_deps = {}, global_header = {} };
1304 9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	455 local condition_uses = {};
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	456 -- This inner loop assumes chain is an event-based, not a filter-based
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	457 -- chain (filter-based will be added later)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	458 for _, rule in ipairs(rules) do
1304 9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	459 for _, condition in ipairs(rule.conditions) do
2070 2356114ff505 mod_firewall: Optimize string match operations, string.find is faster than .match since no string is returned Kim Alvefur <zash@zash.se> parents: 1343 diff changeset	460 if condition:find("^not%(.+%)$") then
1304 9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	461 condition = condition:match("^not%((.+)%)$");
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	462 end
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	463 condition_uses[condition] = (condition_uses[condition] or 0) + 1;
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	464 end
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	465 end
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	466
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	467 local condition_cache, n_conditions = {}, 0;
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	468 for _, rule in ipairs(rules) do
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	469 for _, dep in ipairs(rule.deps) do
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	470 include_dep(dep, code);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	471 end
1303 8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	472 table.insert(code, "\n\t\t");
8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	473 local rule_code;
967 a88f33fe6970 mod_firewall: Don't add empty conditions check when no conditions are listed in a rule Matthew Wild <mwild1@gmail.com> parents: 966 diff changeset	474 if #rule.conditions > 0 then
996 37af655ca575 mod_firewall: Cache conditions, so that they are only calculated once per chain execution Matthew Wild <mwild1@gmail.com> parents: 980 diff changeset	475 for i, condition in ipairs(rule.conditions) do
1001 c0850793b716 mod_firewall: don't use %b() (not technically correct) Matthew Wild <mwild1@gmail.com> parents: 999 diff changeset	476 local negated = condition:match("^not%(.+%)$");
996 37af655ca575 mod_firewall: Cache conditions, so that they are only calculated once per chain execution Matthew Wild <mwild1@gmail.com> parents: 980 diff changeset	477 if negated then
37af655ca575 mod_firewall: Cache conditions, so that they are only calculated once per chain execution Matthew Wild <mwild1@gmail.com> parents: 980 diff changeset	478 condition = condition:match("^not%((.+)%)$");
37af655ca575 mod_firewall: Cache conditions, so that they are only calculated once per chain execution Matthew Wild <mwild1@gmail.com> parents: 980 diff changeset	479 end
1304 9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	480 if condition_uses[condition] > 1 then
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	481 local name = condition_cache[condition];
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	482 if not name then
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	483 n_conditions = n_conditions + 1;
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	484 name = "condition"..n_conditions;
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	485 condition_cache[condition] = name;
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	486 table.insert(code, "local "..name.." = "..condition..";\n\t\t");
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	487 end
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	488 rule.conditions[i] = (negated and "not(" or "")..name..(negated and ")" or "");
996 37af655ca575 mod_firewall: Cache conditions, so that they are only calculated once per chain execution Matthew Wild <mwild1@gmail.com> parents: 980 diff changeset	489 else
1304 9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	490 rule.conditions[i] = (negated and "not(" or "(")..condition..")";
996 37af655ca575 mod_firewall: Cache conditions, so that they are only calculated once per chain execution Matthew Wild <mwild1@gmail.com> parents: 980 diff changeset	491 end
37af655ca575 mod_firewall: Cache conditions, so that they are only calculated once per chain execution Matthew Wild <mwild1@gmail.com> parents: 980 diff changeset	492 end
1304 9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	493
1303 8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	494 rule_code = "if "..table.concat(rule.conditions, " and ").." then\n\t\t\t"
8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	495 ..table.concat(rule.actions, "\n\t\t\t")
8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	496 .."\n\t\tend\n";
8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	497 else
8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	498 rule_code = table.concat(rule.actions, "\n\t\t");
967 a88f33fe6970 mod_firewall: Don't add empty conditions check when no conditions are listed in a rule Matthew Wild <mwild1@gmail.com> parents: 966 diff changeset	499 end
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	500 table.insert(code, rule_code);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	501 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	502
999 197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	503 for name in pairs(definition_handlers) do
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	504 table.insert(code.global_header, 1, "local "..name:lower().."s = definitions."..name..";");
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	505 end
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	506
2558 2b533a7b5236 mod_firewall: Make PASS bubble up through all chains, and add DEFAULT and RETURN Matthew Wild <mwild1@gmail.com> parents: 2550 diff changeset	507 local code_string = "return function (definitions, fire_event, log, module, pass_return)\n\t"
1303 8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	508 ..table.concat(code.global_header, "\n\t")
8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	509 .."\n\tlocal db = require 'util.debug';\n\n\t"
8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	510 .."return function (event)\n\t\t"
8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	511 .."local stanza, session = event.stanza, event.origin;\n"
8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	512 ..table.concat(code, "")
8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	513 .."\n\tend;\nend";
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	514
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	515 chain_handlers[chain_name] = code_string;
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	516 end
1343 7dbde05b48a9 all the things: Remove trailing whitespace Florian Zeitz <florob@babelmonkeys.de> parents: 1325 diff changeset	517
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	518 return chain_handlers;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	519 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	520
2078 11539785cb92 mod_firewall: Split compile function into two parts in order to separate their scopes Kim Alvefur <zash@zash.se> parents: 2077 diff changeset	521 local function compile_firewall_rules(filename)
11539785cb92 mod_firewall: Split compile function into two parts in order to separate their scopes Kim Alvefur <zash@zash.se> parents: 2077 diff changeset	522 local ruleset, err = parse_firewall_rules(filename);
11539785cb92 mod_firewall: Split compile function into two parts in order to separate their scopes Kim Alvefur <zash@zash.se> parents: 2077 diff changeset	523 if not ruleset then return nil, err; end
11539785cb92 mod_firewall: Split compile function into two parts in order to separate their scopes Kim Alvefur <zash@zash.se> parents: 2077 diff changeset	524 local chain_handlers = process_firewall_rules(ruleset);
11539785cb92 mod_firewall: Split compile function into two parts in order to separate their scopes Kim Alvefur <zash@zash.se> parents: 2077 diff changeset	525 return chain_handlers;
11539785cb92 mod_firewall: Split compile function into two parts in order to separate their scopes Kim Alvefur <zash@zash.se> parents: 2077 diff changeset	526 end
11539785cb92 mod_firewall: Split compile function into two parts in order to separate their scopes Kim Alvefur <zash@zash.se> parents: 2077 diff changeset	527
2558 2b533a7b5236 mod_firewall: Make PASS bubble up through all chains, and add DEFAULT and RETURN Matthew Wild <mwild1@gmail.com> parents: 2550 diff changeset	528 -- Compile handler code into a factory that produces a valid event handler. Factory accepts
2b533a7b5236 mod_firewall: Make PASS bubble up through all chains, and add DEFAULT and RETURN Matthew Wild <mwild1@gmail.com> parents: 2550 diff changeset	529 -- a value to be returned on PASS
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	530 local function compile_handler(code_string, filename)
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	531 -- Prepare event handler function
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	532 local chunk, err = loadstring(code_string, "="..filename);
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	533 if not chunk then
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	534 return nil, "Error compiling (probably a compiler bug, please report): "..err;
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	535 end
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	536 local function fire_event(name, data)
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	537 return module:fire_event(name, data);
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	538 end
2558 2b533a7b5236 mod_firewall: Make PASS bubble up through all chains, and add DEFAULT and RETURN Matthew Wild <mwild1@gmail.com> parents: 2550 diff changeset	539 return function (pass_return)
2b533a7b5236 mod_firewall: Make PASS bubble up through all chains, and add DEFAULT and RETURN Matthew Wild <mwild1@gmail.com> parents: 2550 diff changeset	540 return chunk()(active_definitions, fire_event, logger(filename), module, pass_return); -- Returns event handler with upvalues
2b533a7b5236 mod_firewall: Make PASS bubble up through all chains, and add DEFAULT and RETURN Matthew Wild <mwild1@gmail.com> parents: 2550 diff changeset	541 end
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	542 end
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	543
2366 14021c93a962 mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file Matthew Wild <mwild1@gmail.com> parents: 2365 diff changeset	544 local function resolve_script_path(script_path)
14021c93a962 mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file Matthew Wild <mwild1@gmail.com> parents: 2365 diff changeset	545 local relative_to = prosody.paths.config;
14021c93a962 mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file Matthew Wild <mwild1@gmail.com> parents: 2365 diff changeset	546 if script_path:match("^module:") then
14021c93a962 mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file Matthew Wild <mwild1@gmail.com> parents: 2365 diff changeset	547 relative_to = module.path:sub(1, -#("/mod_"..module.name..".lua"));
14021c93a962 mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file Matthew Wild <mwild1@gmail.com> parents: 2365 diff changeset	548 script_path = script_path:match("^module:(.+)$");
14021c93a962 mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file Matthew Wild <mwild1@gmail.com> parents: 2365 diff changeset	549 end
14021c93a962 mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file Matthew Wild <mwild1@gmail.com> parents: 2365 diff changeset	550 return resolve_relative_path(relative_to, script_path);
14021c93a962 mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file Matthew Wild <mwild1@gmail.com> parents: 2365 diff changeset	551 end
14021c93a962 mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file Matthew Wild <mwild1@gmail.com> parents: 2365 diff changeset	552
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	553 function module.load()
1052 80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	554 if not prosody.arg then return end -- Don't run in prosodyctl
999 197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	555 active_definitions = {};
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	556 local firewall_scripts = module:get_option_set("firewall_scripts", {});
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	557 for script in firewall_scripts do
2366 14021c93a962 mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file Matthew Wild <mwild1@gmail.com> parents: 2365 diff changeset	558 script = resolve_script_path(script);
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	559 local chain_functions, err = compile_firewall_rules(script)
1343 7dbde05b48a9 all the things: Remove trailing whitespace Florian Zeitz <florob@babelmonkeys.de> parents: 1325 diff changeset	560
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	561 if not chain_functions then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	562 module:log("error", "Error compiling %s: %s", script, err or "unknown error");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	563 else
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	564 for chain, handler_code in pairs(chain_functions) do
2558 2b533a7b5236 mod_firewall: Make PASS bubble up through all chains, and add DEFAULT and RETURN Matthew Wild <mwild1@gmail.com> parents: 2550 diff changeset	565 local new_handler, err = compile_handler(handler_code, "mod_firewall::"..chain);
2b533a7b5236 mod_firewall: Make PASS bubble up through all chains, and add DEFAULT and RETURN Matthew Wild <mwild1@gmail.com> parents: 2550 diff changeset	566 if not new_handler then
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	567 module:log("error", "Compilation error for %s: %s", script, err);
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	568 else
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	569 local chain_definition = chains[chain];
1325 b21236b6b8d8 Backed out changeset 853a382c9bd6 Kim Alvefur <zash@zash.se> parents: 1324 diff changeset	570 if chain_definition and chain_definition.type == "event" then
2558 2b533a7b5236 mod_firewall: Make PASS bubble up through all chains, and add DEFAULT and RETURN Matthew Wild <mwild1@gmail.com> parents: 2550 diff changeset	571 local handler = new_handler(chain_definition.pass_return);
1325 b21236b6b8d8 Backed out changeset 853a382c9bd6 Kim Alvefur <zash@zash.se> parents: 1324 diff changeset	572 for _, event_name in ipairs(chain_definition) do
b21236b6b8d8 Backed out changeset 853a382c9bd6 Kim Alvefur <zash@zash.se> parents: 1324 diff changeset	573 module:hook(event_name, handler, chain_definition.priority);
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	574 end
2070 2356114ff505 mod_firewall: Optimize string match operations, string.find is faster than .match since no string is returned Kim Alvefur <zash@zash.se> parents: 1343 diff changeset	575 elseif not chain:sub(1, 5) == "user/" then
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	576 module:log("warn", "Unknown chain %q", chain);
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	577 end
2558 2b533a7b5236 mod_firewall: Make PASS bubble up through all chains, and add DEFAULT and RETURN Matthew Wild <mwild1@gmail.com> parents: 2550 diff changeset	578 module:hook("firewall/chains/"..chain, new_handler(false));
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	579 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	580 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	581 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	582 end
999 197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	583 -- Replace contents of definitions table (shared) with active definitions
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	584 for k in it.keys(definitions) do definitions[k] = nil; end
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	585 for k,v in pairs(active_definitions) do definitions[k] = v; end
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	586 end
1052 80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	587
80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	588 function module.command(arg)
80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	589 if not arg[1] or arg[1] == "--help" then
80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	590 require"util.prosodyctl".show_usage([[mod_firewall <firewall.pfw>]], [[Compile files with firewall rules to Lua code]]);
80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	591 return 1;
80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	592 end
2118 643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	593 local verbose = arg[1] == "-v";
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	594 if verbose then table.remove(arg, 1); end
1052 80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	595
2117 5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	596 local serialize = require "util.serialization".serialize;
2118 643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	597 if verbose then
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	598 print("local logger = require \"util.logger\".init;");
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	599 print();
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	600 print("local function fire_event(name, data)\n\tmodule:fire_event(name, data)\nend");
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	601 print();
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	602 end
2117 5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	603
1052 80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	604 for _, filename in ipairs(arg) do
2366 14021c93a962 mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file Matthew Wild <mwild1@gmail.com> parents: 2365 diff changeset	605 filename = resolve_script_path(filename);
2117 5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	606 print("do -- File "..filename);
2365 05dae9adf778 mod_firewall: Fix for when compiling on the command line and specifying multiple files Matthew Wild <mwild1@gmail.com> parents: 2364 diff changeset	607 local chain_functions = assert(compile_firewall_rules(filename));
2118 643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	608 if verbose then
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	609 print();
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	610 print("local active_definitions = "..serialize(active_definitions)..";");
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	611 print();
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	612 end
2367 3ebd3cb4d7d2 mod_firewall: When compiling on the command-line with -v, ensure chain function names are unique and valid ids Matthew Wild <mwild1@gmail.com> parents: 2366 diff changeset	613 local c = 0;
1052 80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	614 for chain, handler_code in pairs(chain_functions) do
2367 3ebd3cb4d7d2 mod_firewall: When compiling on the command-line with -v, ensure chain function names are unique and valid ids Matthew Wild <mwild1@gmail.com> parents: 2366 diff changeset	615 c = c + 1;
2117 5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	616 print("---- Chain "..chain:gsub("_", " "));
2367 3ebd3cb4d7d2 mod_firewall: When compiling on the command-line with -v, ensure chain function names are unique and valid ids Matthew Wild <mwild1@gmail.com> parents: 2366 diff changeset	617 local chain_func_name = "chain_"..tostring(c).."_"..chain:gsub("%p", "_");
2118 643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	618 if not verbose then
2367 3ebd3cb4d7d2 mod_firewall: When compiling on the command-line with -v, ensure chain function names are unique and valid ids Matthew Wild <mwild1@gmail.com> parents: 2366 diff changeset	619 print(("%s = %s;"):format(chain_func_name, handler_code:sub(8)));
2118 643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	620 else
2117 5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	621
2367 3ebd3cb4d7d2 mod_firewall: When compiling on the command-line with -v, ensure chain function names are unique and valid ids Matthew Wild <mwild1@gmail.com> parents: 2366 diff changeset	622 print(("local %s = (%s)(active_definitions, fire_event, logger(%q));"):format(chain_func_name, handler_code:sub(8), filename));
2118 643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	623 print();
2117 5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	624
2118 643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	625 local chain_definition = chains[chain];
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	626 if chain_definition and chain_definition.type == "event" then
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	627 for _, event_name in ipairs(chain_definition) do
2367 3ebd3cb4d7d2 mod_firewall: When compiling on the command-line with -v, ensure chain function names are unique and valid ids Matthew Wild <mwild1@gmail.com> parents: 2366 diff changeset	628 print(("module:hook(%q, %s, %d);"):format(event_name, chain_func_name, chain_definition.priority or 0));
2118 643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	629 end
2117 5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	630 end
2367 3ebd3cb4d7d2 mod_firewall: When compiling on the command-line with -v, ensure chain function names are unique and valid ids Matthew Wild <mwild1@gmail.com> parents: 2366 diff changeset	631 print(("module:hook(%q, %s, %d);"):format("firewall/chains/"..chain, chain_func_name, chain_definition.priority or 0));
2117 5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	632 end
5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	633
5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	634 print("---- End of chain "..chain);
5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	635 print();
1052 80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	636 end
2117 5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	637 print("end -- End of file "..filename);
1052 80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	638 end
80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	639 end

prosody-modules

78efd064aef3

mod_firewall/mod_firewall.lua

Software / code / prosody-modules

Annotate

mod_firewall/mod_firewall.lua @ 2562:78efd064aef3

Software `/` code `/` prosody-modules